CVE-2026-81353: high-severity vulnerability in Microsoft HEIF Image Extension
HEIF Image Extensions Remote Code Execution Vulnerability
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.8epss 0.5%
Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code locally.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · HEIF Image ExtensionRelated CVEs — Microsoft HEIF Image Extension
In the same product, most dangerous first.